code.vuplus.com Git - vuplus_webkit/blob - Source/WebCore/platform/mac/SharedBufferMac.mm

   1 /*
   2  * Copyright (C) 2006 Apple Computer, Inc.  All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 #include "config.h"
  27 #include "SharedBuffer.h"
  28
  29 #include "WebCoreObjCExtras.h"
  30 #include <runtime/InitializeThreading.h>
  31 #include <string.h>
  32 #include <wtf/MainThread.h>
  33 #include <wtf/PassRefPtr.h>
  34
  35
  36 using namespace WebCore;
  37
  38 @interface WebCoreSharedBufferData : NSData
  39 {
  40     RefPtr<SharedBuffer> sharedBuffer;
  41 }
  42
  43 - (id)initWithSharedBuffer:(SharedBuffer*)buffer;
  44 @end
  45
  46 @implementation WebCoreSharedBufferData
  47
  48 + (void)initialize
  49 {
  50     JSC::initializeThreading();
  51 #if PLATFORM(QT) && USE(QTKIT)
  52     WTF::initializeMainThread();
  53 #else
  54     WTF::initializeMainThreadToProcessMainThread();
  55 #endif
  56     WebCoreObjCFinalizeOnMainThread(self);
  57 }
  58
  59 - (void)dealloc
  60 {
  61     if (WebCoreObjCScheduleDeallocateOnMainThread([WebCoreSharedBufferData class], self))
  62         return;
  63
  64     [super dealloc];
  65 }
  66
  67 - (void)finalize
  68 {
  69     [super finalize];
  70 }
  71
  72 - (id)initWithSharedBuffer:(SharedBuffer*)buffer
  73 {
  74     self = [super init];
  75
  76     if (self)
  77         sharedBuffer = buffer;
  78
  79     return self;
  80 }
  81
  82 - (NSUInteger)length
  83 {
  84     return sharedBuffer->size();
  85 }
  86
  87 - (const void *)bytes
  88 {
  89     return reinterpret_cast<const void*>(sharedBuffer->data());
  90 }
  91
  92 @end
  93
  94 namespace WebCore {
  95
  96 PassRefPtr<SharedBuffer> SharedBuffer::wrapNSData(NSData *nsData)
  97 {
  98     return adoptRef(new SharedBuffer((CFDataRef)nsData));
  99 }
 100
 101 NSData *SharedBuffer::createNSData()
 102 {
 103     return [[WebCoreSharedBufferData alloc] initWithSharedBuffer:this];
 104 }
 105
 106 CFDataRef SharedBuffer::createCFData()
 107 {
 108     if (m_cfData) {
 109         CFRetain(m_cfData.get());
 110         return m_cfData.get();
 111     }
 112
 113     return (CFDataRef)RetainPtr<WebCoreSharedBufferData>(AdoptNS, [[WebCoreSharedBufferData alloc] initWithSharedBuffer:this]).releaseRef();
 114 }
 115 #if !(PLATFORM(QT) && USE(QTKIT))
 116 PassRefPtr<SharedBuffer> SharedBuffer::createWithContentsOfFile(const String& filePath)
 117 {
 118     NSData *resourceData = [NSData dataWithContentsOfFile:filePath];
 119     if (resourceData)
 120         return SharedBuffer::wrapNSData(resourceData);
 121     return 0;
 122 }
 123 #endif
 124 }
 125